Use modules_enabled.gen.h to improve inter dependency checks

- Fix build with gdscript module disabled. Fixes #31011.
- Remove unused `gdscript` compile option.
- Fix build with regex module disabled.
- Fix ImageLoaderSVG to forward declare thirdparty structs.

2 files changed, 12 insertions, 7 deletions

diff --git a/main/tests/test_gdscript.cpp b/main/tests/test_gdscript.cpp
index a6ef0e9cf4..a2891de8ff 100644
--- a/main/tests/test_gdscript.cpp
+++ b/main/tests/test_gdscript.cpp
@@ -34,7 +34,8 @@
 #include "core/os/main_loop.h"
 #include "core/os/os.h"
 
-#ifdef GDSCRIPT_ENABLED
+#include "modules/modules_enabled.gen.h"
+#ifdef MODULE_GDSCRIPT_ENABLED
 
 #include "modules/gdscript/gdscript.h"
 #include "modules/gdscript/gdscript_compiler.h"
@@ -1091,7 +1092,7 @@ MainLoop *test(TestType p_type) {
 namespace TestGDScript {
 
 MainLoop *test(TestType p_type) {
-
+	ERR_PRINT("The GDScript module is disabled, therefore GDScript tests cannot be used.");
 	return NULL;
 }
 } // namespace TestGDScript
diff --git a/main/tests/test_string.cpp b/main/tests/test_string.cpp
index 9e8c8706ff..eef3d9b84c 100644
--- a/main/tests/test_string.cpp
+++ b/main/tests/test_string.cpp
@@ -28,15 +28,19 @@
 /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
 /*************************************************************************/
 
-#include "core/ustring.h"
-#include <wchar.h>
-//#include "core/math/math_funcs.h"
+#include "test_string.h"
+
 #include "core/io/ip_address.h"
 #include "core/os/os.h"
+#include "core/ustring.h"
+
+#include "modules/modules_enabled.gen.h"
+#ifdef MODULE_REGEX_ENABLED
 #include "modules/regex/regex.h"
-#include <stdio.h>
+#endif
 
-#include "test_string.h"
+#include <stdio.h>
+#include <wchar.h>
 
 namespace TestString {